Seiko Cal. 4422 - 251

This Automatic model from 1978 features a 41mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-50974546e241]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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